Method for Sharing Function Between Terminals and Terminal Thereof

1. A method of sharing a function between terminals, the method comprising: receiving, by a first terminal, a selection on a first function to be shared with another terminal and thereby executed; receiving, by the first terminal, a selection on a second terminal to share and thereby execute the first function; transmitting, by the first terminal to the second terminal, a request message requesting to share and thereby execute the first function; sharing, by the first terminal, and thereby executing the first function with the second terminal by establishing a wireless communication with the second terminal; receiving, by the first terminal from the second terminal, a message requesting adding of a third terminal in order to share and thereby execute the first function; transmitting, by the first terminal to the third terminal, a request message requesting to share and thereby execute the first function; and sharing, by the first terminal, and thereby executing the first function with the third terminal by establishing a wireless communication with the third terminal.

2. The method of claim 1 , further comprising: receiving, by the first terminal, a selection on a second function to be executed with the second terminal while sharing and thereby executing the first function with the second terminal, wherein the first terminal shares and thereby executes the first function and the second function with the second terminal.

3. The method of claim 1 , further comprising: receiving, by the first terminal, a selection on a third terminal to share and thereby execute the first function; transmitting, by the first terminal to the third terminal, a request message requesting to share and thereby execute the first function; and sharing, by the first terminal, and thereby executing the first function with the third terminal by establishing a wireless communication with the third terminal.

4. The method of claim 1 , wherein the first function corresponds to any one of a voice call function, a video call function, a screen sharing function of displaying a screen of one terminal to be the same on a counter party terminal, an audio sharing function of outputting sound of one terminal alike to the counter party terminal, a control function of enabling one terminal to remotely control the counter party terminal, a sketchy function of displaying a touch input of one terminal to be the same on the counter party terminal, a file transmission function of transmitting a file of one terminal to the counter party terminal, a camera sharing function of displaying a camera image installed in one terminal to be the same on the counter party terminal, and a location sharing function of displaying a location of one terminal on the counter party terminal.

5. The method of claim 4 , wherein the screen sharing function is a function of capturing a screen of one terminal for at least 15 frames per second, compressing an image of the captured screen as a moving picture, and transmitting the moving picture to the counter party terminal.

6. The method of claim 4 , wherein the audio sharing function is a function of capturing a sound output from one terminal, compressing the captured sound to an MPEG Audio Layer 3 (MP3) file, and transmitting the MP3 file to the counter party terminal.

7. A method of sharing a function between terminals, the method comprising: receiving, by a first terminal, a selection on a second function to be shared and thereby executed while sharing and thereby executing a first function with a second terminal by establishing a wireless communication with the second terminal; sharing, by the first terminal, and thereby executing the first function and the second function with the second terminal; receiving, by the first terminal from the second terminal, a message requesting adding of a third terminal in order to share and thereby execute the first function and the second function; transmitting, by the first terminal to the third terminal, a request message requesting to share and thereby execute the first function and the second function; and sharing, by the first terminal, and thereby executing the first function and the second function with the third terminal by establishing a wireless communication with the third terminal.

8. The method of claim 7 , further comprising: receiving, by the first terminal, a selection on a third terminal to share and thereby execute the first function and the second function; transmitting, by the first terminal to the third terminal, a request message requesting to share and thereby execute the first function and the second function; and sharing, by the first terminal, and thereby executing the first function and the second function with the third terminal by establishing a wireless communication with the third terminal.

9. A method of sharing a function between terminals, the method comprising: receiving, by a first terminal, a selection on a first function and a second function to be shared with another terminal and thereby executed; receiving, by the first terminal, a selection on a second terminal to share and thereby execute the first function and the second function; transmitting, by the first terminal to the second terminal, a request message requesting to share and thereby execute the first function and the second function; sharing, by the first terminal, and thereby executing the first function and the second function with the second terminal by establishing a wireless communication with the second terminal; receiving, by the first terminal from the second terminal, a message requesting adding of a third terminal in order to share and thereby execute the first function and the second function; transmitting, by the first terminal to the third terminal, a request message requesting to share and thereby execute the first function and the second function; and sharing, by the first terminal, and thereby executing the first function and the second function with the third terminal by establishing a wireless communication with the third terminal.

10. The method of claim 9 , further comprising: receiving, by the first terminal, a selection on a third terminal to share and thereby execute the third function and the second function; transmitting, by the first terminal to the third terminal, a request message requesting to share and thereby execute the first function and the second function; and sharing, by the first terminal, and thereby executing the first function and the second function with the third terminal by establishing a wireless communication with the third terminal.

11. A method of sharing a screen in real-time during a chat between terminals, the method comprising: transmitting, by a first terminal to a second terminal, a message requesting a real-time screen sharing and chatting while performing a chat with the second terminal; receiving, by the first terminal from the second terminal, a response message accepting the request for the real-time screen sharing and chatting when the second terminal is available for the real-time screen sharing and chatting; and sharing, by the first terminal, an image displayed on a screen of the first terminal with the second terminal in real-time, and translucently displaying a chat window that overlaps the shared image and thereby displays a chat content.

12. The method of claim 11 , further comprising: displaying, by the first terminal, an output message indicating start of the real-time screen sharing and chatting in response to receiving the response message.

13. The method of claim 11 , further comprising: displaying, by the first terminal, a chat window control icon on the screen of the first terminal, wherein the chat window is displayed on or removed from the screen of the first terminal in response to a touch input on the chat window control icon.

14. The method of claim 11 , further comprising: displaying a menu of the real-time screen sharing and chatting, wherein the menu comprises at least one of a moving picture sharing function, a news sharing function, a music sharing function, a map sharing function, a photo/image sharing function, and a handwriting-on-screen function.

15. The method of claim 11 , further comprising: displaying a menu of the real-time screen sharing and chatting, wherein the menu comprises at least one of a function of immediately executing a registered application, a function of capturing the screen of the first terminal and saving the captured screen in an image file format, and a function of controlling a transparency of the chat window.

16. The method of claim 11 , further comprising: displaying a menu of the real-time screen sharing and chatting, wherein the menu comprises a function of pausing the real-time screen sharing and chatting or a function of resuming the paused real-time screen sharing and chatting.

17. The method of claim 11 , wherein the first terminal shares audio or sound output from the first terminal or input to the first terminal with the second terminal in real-time.

18. A method of sharing a screen in real-time during a chat between terminals, the method comprising: transmitting, by a first terminal to a second terminal, a message requesting a real-time screen sharing and chatting while sharing an image displayed on a screen of the first terminal with the second terminal in real-time; receiving, by the first terminal from the second terminal, a response message accepting the request for the real-time screen sharing and chatting when the second terminal is available for the real-time screen sharing and chatting; and translucently displaying, by the first terminal, a chat window that overlaps the shared image and thereby displays a chat content.

19. The method of claim 18 , further comprising: displaying, by the first terminal, an output message indicating start of the real-time screen sharing and chatting in response to receiving the response message.

20. A method of sharing a screen in real-time during a chat between terminals, the method comprising: receiving, by a second terminal from a first terminal, a message requesting a real-time screen sharing and chatting while performing a chat with the first terminal; displaying, by the second terminal, an output message indicating a query as to whether to accept the request for the real-time screen sharing and chatting when the second terminal is available for the real-time screen sharing and chatting; transmitting, by the second terminal to the first terminal, a response message accepting the request for the real-time screen sharing and chatting in response to receiving an acceptance on the request for the real-time screen sharing and chatting; and sharing, by the second terminal, and thereby outputting an image displayed on a screen of the first terminal, and translucently displaying a chat window that overlaps the shared image and thereby displays a chat content.

21. A method of sharing a screen in real-time during a chat between terminals, the method comprising: receiving, by a second terminal from a first terminal, a message requesting a real-time screen sharing and chatting while sharing and thereby outputting an image displayed on a screen of a first terminal; displaying, by the second terminal, an output message indicating a query as to whether to accept the request for the real-time screen sharing and chatting when the second terminal is available for the real-time screen sharing and chatting; transmitting, by the second terminal to the first terminal, a response message accepting the request for the real-time screen sharing and chatting in response to receiving an acceptance on the request for the real-time screen sharing and chatting; and translucently displaying, by the second terminal, a chat window that overlaps the shared image and thereby displays a chat content.

22. A terminal comprising: an output unit configured to output information on a screen; a transceiver configured to transmit a message requesting a real-time screen sharing and chatting during a chat between the terminal and a second terminal; and a controller configured to share, with the second terminal in real-time, an image displayed on a screen through the output unit and to translucently display a chat window that overlaps the shared image and thereby displays a chat content, in response to receiving a response message accepting the request for the real-time screen sharing and chatting from the second terminal through the transceiver.

23. The terminal of claim 22 , wherein the controller is configured to display, through the output unit, an output message indicating start of the real-time screen sharing and chatting in response to receiving the response message.

24. A terminal comprising: an output unit configured to output information on a screen; a transceiver configured to transmit, to a second terminal, a message requesting a real-time screen sharing and chatting while sharing, with the second terminal in real-time, an image displayed on a screen through the output unit; and a controller configured to translucently display a chat window that overlaps the shared image and thereby displays a chat content, in response to receiving a response message accepting the request for the real-time screen sharing and chatting from the second terminal through the transceiver.

25. The terminal of claim 24 , wherein the controller is configured to display, through the output unit, an output message indicating start of the real-time screen sharing and chatting in response to receiving the response message.

26. A terminal comprising: a transceiver configured to receive, from a first terminal, a message requesting a real-time screen sharing and chatting during a chat between the terminal and the first terminal; an output unit configured to display an output message indicating a query as to whether to accept the request for the real-time screen sharing and chatting when the terminal is available for the real-time screen sharing; and a controller configured to transmit, to the first terminal, a response message accepting the request for the real-time screen sharing and chatting through the transceiver in response to receiving an acceptance on the request for the real-time screen sharing and chatting, to share and thereby output an image displayed on a screen of the first terminal through the output unit in real-time, and to translucently display a chat window that overlaps the shared image and thereby displays a chat content.

27. A terminal comprising: a transceiver configured to receive, from a first terminal, a message requesting a real-time screen sharing and chatting while sharing and thereby outputting an image displayed on a screen of the first terminal; an output unit configured to display an output message indicating a query as to whether to accept the request for the real-time screen sharing and chatting when the terminal is available for the real-time screen sharing and chatting; and a controller configured to transmit, to the first terminal, a response message accepting the request for the real-time screen sharing and chatting through the transceiver in response to receiving an acceptance on the request for the real-time screen sharing and chatting, and to translucently display a chat window that overlaps the shared image and thereby displays a chat content.

28. A method of sharing a screen between terminals, the method comprising: executing a screen sharing function of a first terminal to share a screen of the first terminal with a second terminal; detecting a new call received at the first terminal while the screen sharing function of the first terminal is being executed; and pausing the screen sharing function based on a function corresponding to the new call among a plurality of functions.

29. The method of claim 28 , wherein the executing comprises providing an interface associated with the plurality of functions in response to detecting a gesture of a user on a displayed icon, wherein the method further comprises: resuming the paused screen sharing function in response to the gesture of the user on the displayed icon detected while pausing the screen sharing function.

30. The method of claim 28 , wherein the pausing comprises checking a function setting table indicating settings of a user with respect to the plurality of functions, in response to detecting the new call.

31. The method of claim 28 , wherein the pausing comprises pausing a sound sharing function together with the screen sharing function when the new call is a call for a voice call or a video call.

32. The method of claim 28 , wherein a graphic effect of a screen displayed on the second terminal is changed in response to pausing the screen sharing function of the first terminal.

33. A method of sharing a function, the method comprising: receiving a function sharing request in order to commonly execute at least two functions among a plurality of users; determining whether the at least two functions include a voice call function or a video call function in response to the function sharing request; and displaying an acceptance confirm message inquiring about whether to accept the function sharing request based on whether the at least two functions include the voice call function or the video call function.

34. The method of claim 33 , wherein the displaying comprises initially displaying an acceptance confirm message inquiring about whether to share the voice call function or the video call function and then, displaying an acceptance confirm message inquiring about whether to accept a request for sharing a function excluding the voice call function or the video call function from among the at least two functions when the voice call function or the video call function is accepted.

35. The method of claim 33 , further comprising: refusing the function sharing request without inquiring about whether to accept the request for sharing the function excluding the voice call function or the video call function from among the at least two functions when the voice call function or the video call function is refused.